Bolt



FIG. 1 is a top plan view of a bolt showing my new design;

FIG. 2 is a side elevational view taken from the left of FIG. 1, the side elevational view taken from the right of FIG. 1 being identical thereto;

FIG. 3 is a front elevational view thereof, the rear view being identical thereto;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a bolt, substantially as shown and described. 